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SiBE04-101
Troubleshooting
Service Diagnosis
91
4.5
Operation Halt Due to Fan Motor (DC Motor) or Related Abnormality [Wall
Mounted Type]
Remote Controller
Display
A6
Indoor unit LED
Display
Method of
Malfunction
Detection
The rotation speed detected by the hall IC during fan motor operation in high voltage is used to determine
abnormal fan motor operation.
Malfunction
Decision
Conditions
When the detected rotation speed is less than 50% of the H tap under maximum fan motor rotation
demand.
Supposed Causes
Operation halt due to short circuit inside the fan motor winding.
Operation halt due to breaking of wire inside the fan motor.
Operation halt due to breaking of the fan motor lead wires.
Detection error due to faulty indoor unit PCB (1).
SiBE04-101.book Page 91 Monday, October 15, 2001 3:08 PM